"""
This function takes two variable and returns greatest common divisior
"""
def find_gcd(x, y): 
  while(y): 
    x, y = y, x % y 
    
  return x 
  
  # Input from user
  print("For computing gcd of two numbers")
  a,b = map(int,input("Enter the number by comma separating :-",end = " ").split(","))
 
  # Map typecast the input in 'int' type
  
  print("Gcd of {} & {} is {}",format(a,b,find_gcd(a,b)))
